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2017-09-05
18:45
Status of FCC-ee / FCC-hh: a story of synergy and complementarity / Blondel, Alain (Universite de Geneve (CH))
Presentation given during a lepton-photon conference
CERN-ACC-SLIDES-2017-0009.- Geneva : CERN, 2017 Fulltext: PDF;

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2017-08-29
16:16
Crystal collimator systems for high energy frontier / Sytov, Alexei (Universita di Ferrara & INFN (IT)) ; Tikhomirov, Viktor (Byelorussian State University (BY)) ; Lobko, Alexander (Byelorussian State University (BY))
Crystalline collimators can potentially considerably improve the cleaning performance of the presently used collimator systems using amorphous collimators. A crystal-based collimation scheme which relies on the channeling particle deflection in bent crystals has been proposed and extensively studied both theoretically and experimentally. [...]
CERN-ACC-2017-0084.- Geneva : CERN, 2017 - 11 p. - Published in : Phys. Rev. Accel. Beams 20 (2017) 071001 Fulltext: PDF;
In : 2nd Annual Meeting of the Future Circular Collider study 2016, Rome, Italy, 11 - 15 Apr 2016

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2017-08-29
16:08
Magnetic refrigeration down to 1.6 K for the future circular collider e$^+$e$^-$ / Tkaczuk, Jakub (CEA (FR)) ; Millet, Francois ; Rousset, Bernard (CEA (FR)) ; Duval, Jean Marc (CEA (FR))
High-field superconducting rf cavities of the future circular collider e+e− may require a kW-range superfluid helium refrigeration down to 1.6 K. Magnetic refrigeration operating below 4.2 K can be an alternative to the compression/expansion helium refrigeration. [...]
CERN-ACC-2017-0082.- Geneva : CERN, 2017 - Published in : Phys. Rev. Accel. Beams 20 (2017) 041001 Fulltext: PDF;
In : 2nd Annual Meeting of the Future Circular Collider study 2016, Rome, Italy, 11 - 15 Apr 2016

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2017-08-29
15:42
Impact of process parameters and design options on heat leaks of straight cryogenic distribution lines / Duda, Pawel (Wroclaw University of Technology (PL)) ; Chorowski, Maciej Pawel ; Polinski, J (Wroclaw University of Technology (PL))
The Future Circular Collider (FCC) accelerator will require a helium distribution system that will exceed the presently exploited transfer lines by almost 1 order of magnitude. The helium transfer line will contain five process pipes protected against heat leaks by a common thermal shield. [...]
CERN-ACC-2017-0081.- Geneva : CERN, 2017 - Published in : Phys. Rev. Accel. Beams 30 (2017) 033202 Fulltext: PDF;
In : 2nd Annual Meeting of the Future Circular Collider study 2016, Rome, Italy, 11 - 15 Apr 2016

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2017-08-29
15:35
Quench protection analysis integrated in the design of dipoles for the Future Circular Collider / Salmi, Tiina (Tampere U. of Tech.) ; Stenvall, Antti (Tampere U. of Tech.) ; Prioli, Marco (CERN) ; Ruuskanen, Janne (Tampere U. of Tech.) ; Verweij, Arjan (CERN) ; Auchmann, Bernhard (CERN) ; Tommasini, Davide (CERN) ; Schoerling, Daniel (CERN) ; Lorin, Clement (Saclay) ; Toral, Fernando (Madrid, CIEMAT) et al.
The EuroCirCol collaboration is designing a 16 T Nb3Sn dipole that can be used as the main bending magnet in a 100 km long 100 TeV hadron-hadron collider. For economic reasons, the magnets need to be as compact as possible, requiring optimization of the cable cross section in different magnetic field regions. [...]
CERN-ACC-2017-0080.- Geneva : CERN, 2017 - Published in : Phys. Rev. Accel. Beams 20 (2017) 032401 Fulltext: PDF;
In : 2nd Annual Meeting of the Future Circular Collider study 2016, Rome, Italy, 11 - 15 Apr 2016

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2017-08-29
15:32
Dump system concepts for the Future Circular Collider / Bartmann, Wolfgang (CERN) ; Atanasov, Miroslav Georgiev (CERN) ; Barnes, Mike (CERN) ; Borburgh, Jan (CERN) ; Burkart, Florian (CERN) ; Goddard, Brennan (CERN) ; Kramer, Thomas (CERN) ; Lechner, Anton (CERN) ; Sanz Ull, Alejandro (Eindhoven Technical University (NL)) ; Schmidt, Rudiger et al.
The Future Circular Collider (FCC-hh) beam dump system must provide a safe and reliable extraction and dilution of the stored beam onto a dump absorber. Energy deposition studies show that damage limits of presently used absorber materials will already be reached for single bunches at 50 TeV. [...]
CERN-ACC-2017-0079.- Geneva : CERN, 2017 - Published in : Phys. Rev. Accel. Beams 20 (2017) 031001 Fulltext: PDF;
In : 2nd Annual Meeting of the Future Circular Collider study 2016, Rome, Italy, 11 - 15 Apr 2016

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2017-08-29
15:28
Machine detector interface studies: Layout and synchrotron radiation estimate in the future circular collider interaction region / Boscolo, Manuela (Frascati) ; Burkhardt, Helmut (CERN) ; Sullivan, Michael (SLAC)
The interaction region layout for the $e^+e^-$ future circular collider FCC-ee is presented together with a preliminary estimate of synchrotron radiation that affects this region. We describe in this paper the main guidelines of this design and the estimate of synchrotron radiation coming from the last bending magnets and from the final focus quadrupoles, with the software tools developed for this purpose. [...]
CERN-ACC-2017-0078.- Geneva : CERN, 2017 - 7 p. - Published in : Phys. Rev. Accel. Beams 20 (2017) 011008 Fulltext: PDF;
In : 2nd Annual Meeting of the Future Circular Collider study 2016, Rome, Italy, 11 - 15 Apr 2016

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2017-08-29
15:25
Final focus designs for crab waist colliders / Bogomyagkov, Anton ; Levichev, Evgeny ; Piminov, Pavel
The crab waist collision scheme promises significant luminosity gain. The successful upgrade of the DA$\Phi$NE collider proved the principle of crab waist collision and increased luminosity 3 times. [...]
CERN-ACC-2017-0077.- Geneva : CERN, 2016 - Published in : Phys. Rev. Accel. Beams 19 (2016) 121005 Fulltext: PDF;
In : 2nd Annual Meeting of the Future Circular Collider study 2016, Rome, Italy, 11 - 15 Apr 2016

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2017-08-29
15:02
Availability modeling approach for future circular colliders based on the LHC operation experience / Niemi, Arto (Tampere University of Technology (FI)) ; Apollonio, Andrea (CERN) ; Gutleber, Johannes (CERN) ; Sollander, Peter (CERN) ; Penttinen, Jussi-Pekka ; Virtanen, Seppo Johannes
Reaching the challenging integrated luminosity production goals of a future circular hadron collider (FCC-hh) and high luminosity LHC (HL-LHC) requires a thorough understanding of today’s most powerful high energy physics research infrastructure, the LHC accelerator complex at CERN. FCC-hh, a 4 times larger collider ring aims at delivering 10–20  ab$^-$$^1$ of integrated luminosity at 7 times higher collision energy. [...]
CERN-ACC-2017-0076.- Geneva : CERN, 2016 - Published in : Phys. Rev. Accel. Beams 19 (2016) 121003 Fulltext: PDF;
In : 2nd Annual Meeting of the Future Circular Collider study 2016, Rome, Italy, 11 - 15 Apr 2016

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2017-08-28
15:12
Study of beam-beam long range compensation with octupoles / Barranco Garcia, Javier ; Pieloni, Tatiana (Ecole Polytechnique Federale de Lausanne (CH)) ; Buffat, Xavier (CERN) ; Tambasco, Claudia
Long range beam-beam effects are responsible for particle losses and define fundamental operational parameters of colliders (i.e. crossing angles, intensities, emittances, ${\beta}$${^∗}$). [...]
CERN-ACC-2017-0065.- Geneva : CERN, 2017 Fulltext: PDF;
In : 8th International Particle Accelerator Conference, Copenhagen, Denmark, 14 - 19 May 2017

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Future Circular Collider Documents (110)